CN110099134A - Video file method for down loading, device, electronic equipment and storage medium - Google Patents
Video file method for down loading, device, electronic equipment and storage medium Download PDFInfo
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- CN110099134A CN110099134A CN201910482804.2A CN201910482804A CN110099134A CN 110099134 A CN110099134 A CN 110099134A CN 201910482804 A CN201910482804 A CN 201910482804A CN 110099134 A CN110099134 A CN 110099134A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
A kind of video file method for down loading, which comprises the head file of to download video files from content distributing network CDN node；According to the head file, the download time point of the video file is determined；Calculate the time difference of the play time of the download time point and the video file；According to the time difference, the downloading mode that the video file currently needs is determined；The video data of the video file is downloaded using the downloading mode；Wherein, the downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, the user node is downloaded.The present invention also provides a kind of video file download apparatus, electronic equipment and storage mediums.The present invention under the premise of each bit-rate video smooth playing, can reduce the bandwidth cost of CDN node.
Description
Technical field
The present invention relates to video technique field more particularly to a kind of video file method for down loading, device, electronic equipment and deposit
Storage media.
Background technique
Current major video website is all using P2P (Chinese name: peer-to-peer network, full name in English: Peer to Peer)
Technology drops to save CDN (Chinese name: content distributing network, full name in English: Content Delivery Network) bandwidth
Low cost determined whether by play position and the document misregistration difference of download location using CDN node downloading data, but
This mode is limited to the code rate of video, effective cannot meet the video smooth playing of each code rate, such as onesize
Document misregistration difference, the duration that can be played for high bit-rate video is shorter (video file cached in advance is too short), can lead
Cause high bit-rate video play time and download time point it is close in addition be overlapped when still use CDN node downloading data, Ke Nengzao
At broadcasting Caton；And longer (the caching in advance of duration that an equal amount of document misregistration difference can play low bit-rate video
Video file it is too long), low bit-rate video slave CDN source server downloading excessive when playing increases bandwidth cost.
Therefore, how under the premise of each bit-rate video smooth playing, the bandwidth cost for reducing CDN node is this field skill
Art personnel's technical issues that need to address.
Summary of the invention
In view of the foregoing, it is necessary to a kind of video file method for down loading, device, electronic equipment and storage medium are provided,
Under the premise of each bit-rate video smooth playing, the bandwidth cost of CDN node can be reduced.
The first aspect of the present invention provides a kind of video file method for down loading, which comprises
The head file of to download video files from content distributing network CDN node；
According to the head file, the download time point of the video file is determined；
Calculate the time difference of the play time of the download time point and the video file；
According to the time difference, the downloading mode that the video file currently needs is determined；
The video data of the video file is downloaded using the downloading mode；Wherein, the downloading mode includes: described
CDN node downloading, or, the CDN node and user node mixing downloading, or, the user node is downloaded.
In one possible implementation, described according to the time difference, determine what the video file currently needed
Downloading mode includes:
If the time difference is less than or equal to first time threshold, the downloading mode that presently described video file needs is determined
For CDN node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node.
In one possible implementation, described according to the time difference, determine what the video file currently needed
Downloading mode includes:
If the time difference is greater than first time threshold, and the time difference is less than or equal to second time threshold, determines
The downloading mode that presently described video file needs is the CDN node and user node mixing downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node and user node mixing.
In one possible implementation, described according to the time difference, determine what the video file currently needed
Downloading mode includes:
If the time difference is greater than second time threshold, and the time difference is less than or equal to third time threshold, determines
The downloading mode that presently described video file needs is user node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the user node.
In one possible implementation, the method also includes:
If the time difference is greater than third time threshold, stop the video data for downloading the video file.
In one possible implementation, described according to the head file, when determining the downloading of the video file
Between point include:
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file；
Obtain file destination offset address corresponding to the current download location of the video file；
According to the corresponding relationship, the corresponding object time point of the file destination offset address is determined as the video
The download time point of file.
In one possible implementation, the video file is order video file or to download video files.
The second aspect of the present invention provides a kind of video file download apparatus, and the video file download apparatus includes:
Download module, the head file for the to download video files from content distributing network CDN node；
First determining module, for determining the download time point of the video file according to the head file；
Computing module, the time difference of the play time for calculating the download time point and the video file；
Second determining module, for determining the downloading mode that the video file currently needs according to the time difference；
The download module is also used for the video data that the downloading mode downloads the video file；Wherein, institute
Stating downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, the user saves
Point downloading.
The third aspect of the present invention provides a kind of electronic equipment, and the electronic equipment includes processor and memory, described
Processor realizes the video file method for down loading when being used to execute the computer program stored in the memory.
The fourth aspect of the present invention provides a kind of computer readable storage medium, deposits on the computer readable storage medium
Computer program is contained, the video file method for down loading is realized when the computer program is executed by processor.
By above technical scheme, in the present invention, can first from content distributing network CDN node to download video files head
Portion's file determines the download time point of the video file according to the head file；Further, when calculating the downloading
Between point and the play time of the video file time difference；It further, can be according to the time difference, described in determination
The downloading mode that video file currently needs, and download using the downloading mode video data of the video file；Wherein,
The downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, the user
Node downloading.As it can be seen that in the present invention, it can be by calculating the download time point and the play time of the video file
Under time difference selects different downloading modes according to the different time differences in entire downloading process, and then use is appropriate
Load mode carrys out the video data of to download video files, so as under the premise of each bit-rate video smooth playing, reduce CDN section
The bandwidth cost of point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the preferred embodiment of video file method for down loading disclosed by the invention.
Fig. 2 is a kind of schematic diagram of the download phase of video file disclosed by the invention.
Fig. 3 is a kind of functional block diagram of the preferred embodiment of video file download apparatus disclosed by the invention.
Fig. 4 is the structural schematic diagram of the electronic equipment for the preferred embodiment that the present invention realizes video file method for down loading.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying example, the present invention will be described in detail.It should be noted that in the absence of conflict, the embodiment of the present invention and embodiment
In feature can be combined with each other.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Wherein, the electronic equipment includes that one kind can be automatic to carry out numerical value meter according to the instruction for being previously set or storing
It calculates and/or the electronic equipment of information processing, hardware includes but is not limited to microprocessor, specific integrated circuit (ASIC), can compile
Journey gate array (FPGA), digital processing unit (DSP), embedded device etc..The electronic equipment may also include the network equipment and/or
User equipment.Wherein, the network equipment includes but is not limited to the service of single network server, multiple network servers composition
Device group or the cloud being made of a large amount of hosts or network server for being based on cloud computing (Cloud Computing), wherein cloud computing
It is one kind of distributed computing, a super virtual computer consisting of a loosely coupled set of computers.The user
Equipment include but is not limited to any one can with user by the modes such as keyboard, mouse, remote controler, touch tablet or voice-operated device into
The electronic product of row human-computer interaction, for example, personal computer, tablet computer, smart phone, personal digital assistant PDA, game
Machine, Interactive Internet TV IPTV, intellectual wearable device etc..Wherein, net locating for the user equipment and the network equipment
Network includes but is not limited to internet, wide area network, Metropolitan Area Network (MAN), local area network, Virtual Private Network VPN etc..
Referring to Figure 1, Fig. 1 is a kind of flow chart of the preferred embodiment of video file method for down loading disclosed by the invention.
Wherein, the sequence of step can change in the flow chart according to different requirements, and certain steps can be omitted.
The head file of S11, electronic equipment to download video files from content distributing network CDN node.
Wherein, the purpose of CDN (Content Delivery Network, content distributing network) is by existing
Increase by one layer of new network architecture in Internet, the content of website is published to the network " edge " closest to user, uses
Family can obtain required content nearby, improve the response speed that user accesses website.
Wherein, the CDN node includes traditional CDN source server and fringe node, and the video file is program request
Video file or to download video files, such as MP4 video file.
In the embodiment of the present invention, when receiving the online playing request of video file, electronic equipment can be from content point
The head file of to download video files in hairnet network CDN node.Wherein, the video file is broadly divided into video head and video
Two parts of data, wherein the video head includes therefore the corresponding relationship of file offset address and time point is obtaining
To after the head file of video file, the corresponding relationship in head file can use, determine any file of video file
The corresponding download time point of offset address.
S12, electronic equipment determine the download time point of the video file according to the head file.
Wherein, the download time point is the current download location corresponding time point of the video file, such as described
The total duration of video file is 60 seconds, and current download time point is 5 seconds, i.e., the described video file is in 5 seconds positions.Its
In, the download time point is real-time variable, i.e., changes with the progress of downloading.
Specifically, it is described according to the head file, determine that the download time point of the video file includes:
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file；
Obtain file destination offset address corresponding to the current download location of the video file；
According to the corresponding relationship, the corresponding object time point of the file destination offset address is determined as the video
The download time point of file.
Wherein, electronic equipment is after the head file that content distributing network CDN node gets the video file
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file, wherein described right
It should be related to and contain each byte location (i.e. file offset address) corresponding time point of the video file.Electronic equipment can
To obtain file destination offset address corresponding to current download location, and according to the corresponding relationship, the target text is determined
The object time point can be determined as current download time point by the corresponding object time point of part offset address.
S13, electronic equipment calculate the time difference of the play time of the download time point and the video file.
Wherein it is possible to the play time of presently described video file is obtained by player, the play time
The playing duration of i.e. presently described video file, wherein the play time is real-time variable, i.e., the described play time meeting
It changes with the progress of broadcasting.
Wherein, the length of the time difference can be understood as currently having downloaded but the video file not played can also be broadcast
The duration put.
S14, electronic equipment determine the downloading mode that the video file currently needs according to the time difference.
Wherein, the downloading mode includes: the CDN node downloading, or, under the CDN node and user node mixing
It carries, or, the user node is downloaded.Wherein, the user node uses P2P (Peer to Peer, peer-to-peer network) to carry out
The personal slack resources node of data transmission, for example play objective cloud node Peer.
Wherein, the speed using CDN node foradownloaded video data is fast, can satisfy the urgent need of video data, utilizes
CDN node downloads the bandwidth occupancy that can reduce CDN.
Wherein it is possible to which the online request downloading process of the video file is divided into (such as 4 ranks of multiple stages in advance
Section), the corresponding downloading section of each stage, which is time range belonging to the time difference, each download area
Between time range can indicate that different downloading modes can be used to download in different downloading sections with time threshold
State the video data of video file.
It is a kind of schematic diagram of the download phase of video file disclosed by the invention please also refer to Fig. 2, Fig. 2.Such as Fig. 2 institute
Show, the online request downloading process of the video file is divided into 4 stages, i.e. the first download phase, the second download phase, third
Download phase and the 4th download phase.
Wherein, in the first download phase, since the head file of video file can only be obtained from the CDN node,
Moreover, more stable by CDN node downloading, rate is very fast, therefore, when just starting to play the video file, is
Ensure the player timely and smooth broadcasting video file, needs to save in first download phase using the CDN
Point is downloaded.Wherein, the corresponding downloading section of first download phase can be set to the time difference and be less than or equal to
First time threshold (such as 2 seconds).
Wherein, described in order to reduce due to having there is certain video data to provide broadcasting in the second download phase
The bandwidth cost of CDN node can use the CDN node and user node mixing downloading in the second download phase；Its
In, the corresponding downloading section of second download phase can be set to the time difference greater than first time threshold (such as 2
Second), and the time difference is less than or equal to second time threshold (such as 5 seconds).
Wherein, in third download phase, so fast speed of download is not needed, in order to further reduce the CDN
The bandwidth cost of node can be downloaded in third download phase using the user node；Wherein, the third download phase pair
The downloading section answered can be set to the time difference greater than second time threshold (such as 5 seconds), and the time difference be less than or
Equal to third time threshold (such as 60 seconds).
Wherein, in the 4th download phase, broadcasting is provided due to having sufficient data, to avoid being cached more videos
Data cause stored memory excessive, can stop downloading in the 4th download phase, wherein under the 4th download phase is corresponding
Carrying section can be set to the time difference greater than third time threshold (such as 60 seconds).
Later, in a manner mentioned above, time point to be downloaded and the time difference of play time become smaller, further according to the time
Difference is determined the section of download time belonging to current downloading process, and is downloaded using corresponding downloading mode, until the video
Until the video data of file has all been downloaded.
Specifically, described according to the time difference, the downloading mode for determining that the video file currently needs includes:
If the time difference is less than or equal to first time threshold, the downloading mode that presently described video file needs is determined
For CDN node downloading.
Wherein, when calculating the time difference less than or equal to first time threshold, presently described video can be determined
The downloading process of file belongs to the first download phase, that is, can determine the corresponding downloading mode (CDN of first download phase
Node downloading) it is the downloading mode that the video file needs.
Specifically, described according to the time difference, the downloading mode for determining that the video file currently needs includes:
If the time difference is greater than first time threshold, and the time difference is less than or equal to second time threshold, determines
The downloading mode that presently described video file needs is the CDN node and user node mixing downloading.
Wherein, when calculating the time difference greater than first time threshold, and when the time difference is less than or equal to second
Between threshold value when, can determine that the downloading process of presently described video file belongs to the second download phase, that is, can determine described second
The corresponding downloading mode of download phase (CDN node and user node mixing downloading) is what the video file needed
Downloading mode.
Specifically, described according to the time difference, the downloading mode for determining that the video file currently needs includes:
If the time difference is greater than second time threshold, and the time difference is less than or equal to third time threshold, determines
The downloading mode that presently described video file needs is user node downloading.
Wherein, when calculating the time difference greater than second time threshold, and when the time difference is less than or equal to third
Between threshold value when, can determine that the downloading process of presently described video file belongs to third download phase, that is, can determine the third
The corresponding downloading mode of download phase (the user node downloading) is the downloading mode that the video file needs.
As an alternative embodiment, the method also includes:
If the time difference is greater than third time threshold, stop the video data for downloading the video file.
It should be noted that above-mentioned first time threshold, second time threshold and third time threshold are to first pass through in advance
What test of many times obtained, the first time threshold is less than the second time threshold, and the second time threshold is less than described
Third time threshold.
S15, electronic equipment download the video data of the video file using the downloading mode.
Wherein, after determining the downloading mode that presently described video file needs, electronic equipment can be used it is described under
Load mode downloads the video data of the video file.
If the downloading mode is CDN node downloading, electronic equipment be can be used described in the CDN node downloading
The video data of video file.
If the downloading mode is the CDN node and user node mixing downloading, electronic equipment be can be used
The video data of the video file is downloaded in the CDN node and user node mixing.
If the downloading mode is user node downloading, user node downloading institute is can be used in electronic equipment
State the video data of video file.
Wherein, it by calculating the time difference of download time point and play time, is determined described in use by the time difference
CDN node foradownloaded video data, or the user node foradownloaded video data are used, it can be in the quality of the user node
In the case where bad, the mode for reserving the downloading of CDN node described in sufficient time switchback carrys out complementing video data, ensure that each code
Rate video playing is smooth, and use CDN node foradownloaded video data few as far as possible, reduces CDN bandwidth, save the cost.
In the method flow described in Fig. 1, can first from content distributing network CDN node to download video files head
Portion's file determines the download time point of the video file according to the head file；Further, when calculating the downloading
Between point and the play time of the video file time difference；It further, can be according to the time difference, described in determination
The downloading mode that video file currently needs, and download using the downloading mode video data of the video file；Wherein,
The downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, the user
Node downloading.As it can be seen that in the present invention, it can be by calculating the download time point and the play time of the video file
Under time difference selects different downloading modes according to the different time differences in entire downloading process, and then use is appropriate
Load mode carrys out the video data of to download video files, so as under the premise of each bit-rate video smooth playing, reduce CDN section
The bandwidth cost of point.
The above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, for
For those skilled in the art, without departing from the concept of the premise of the invention, improvement, but these can also be made
It all belongs to the scope of protection of the present invention.
Fig. 3 is referred to, Fig. 3 is a kind of functional module of the preferred embodiment of video file download apparatus disclosed by the invention
Figure.
In some embodiments, the video file download apparatus is run in electronic equipment.The video file downloading
Device may include multiple functional modules as composed by program code segments.Each program in the video file download apparatus
The program code of section can store in memory, and as performed by least one processor, to execute video described in Fig. 1
Step some or all of in document down loading method.
In the present embodiment, function of the video file download apparatus according to performed by it can be divided into multiple function
It can module.The functional module may include: that download module 301, the first determining module 302, computing module 303 and second are determining
Module 304.The so-called module of the present invention refers to that one kind performed by least one processor and can complete fixed function
The series of computation machine program segment of energy, storage is in memory.It in some embodiments, will be rear about the function of each module
It is described in detail in continuous embodiment.
Download module 301, the head file for the to download video files from content distributing network CDN node；
Wherein, the purpose of CDN (Content Delivery Network, content distributing network) is by existing
Increase by one layer of new network architecture in Internet, the content of website is published to the network " edge " closest to user, uses
Family can obtain required content nearby, improve the response speed that user accesses website.
Wherein, the CDN node includes traditional CDN source server and fringe node, and the video file is program request
Video file or to download video files, such as MP4 video file.
In the embodiment of the present invention, when receiving the online playing request of video file, electronic equipment can be from content point
The head file of to download video files in hairnet network CDN node.Wherein, the video file is broadly divided into video head and video
Two parts of data, wherein the video head includes therefore the corresponding relationship of file offset address and time point is obtaining
To after the head file of video file, the corresponding relationship in head file can use, determine any file of video file
The corresponding download time point of offset address.
First determining module 302, for determining the download time point of the video file according to the head file；
Wherein, the download time point is the download location corresponding time point of presently described video file, such as described
The total duration of video file is 60 seconds, and current download time point is 5 seconds, i.e., the described video file is in 5 seconds positions.
Specifically, it is described according to the head file, determine that the download time point of the video file includes:
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file；
Obtain file destination offset address corresponding to the current download location of the video file；
According to the corresponding relationship, the corresponding object time point of the file destination offset address is determined as the video
The download time point of file.
Wherein, electronic equipment is after the head file that content distributing network CDN node gets the video file
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file, wherein described right
The each byte location (i.e. file offset address) for containing the video file should be related to corresponding time point.Electronic equipment
File destination offset address corresponding to available current download location, and according to the corresponding relationship, determine the target
The object time point can be determined as current download time point by the corresponding object time point of file offset address.
Computing module 303, the time difference of the play time for calculating the download time point and the video file；
Wherein it is possible to the play time of presently described video file is obtained by player, the play time
The playing duration of i.e. presently described video file.
Wherein, the length of the time difference can be understood as currently having downloaded but the video file not played can also be broadcast
The duration put.
Second determining module 304, for determining the downloading side that the video file currently needs according to the time difference
Formula；
Wherein, the downloading mode includes: the CDN node downloading, or, under the CDN node and user node mixing
It carries, or, the user node is downloaded.Wherein, the user node uses P2P (Peer to Peer, peer-to-peer network) to carry out
The personal slack resources node of data transmission, for example play objective cloud node Peer.
Wherein, the speed using CDN node foradownloaded video data is fast, can satisfy the urgent need of video data, utilizes
CDN node downloads the bandwidth occupancy that can reduce CDN.
Wherein it is possible to which the online request downloading process of the video file is divided into (such as 4 ranks of multiple stages in advance
Section), the corresponding downloading section of each stage, which is time range belonging to the time difference, each download area
Between time range can indicate that different downloading modes can be used to download in different downloading sections with time threshold
State the video data of video file.
It is a kind of schematic diagram of the download phase of video file disclosed by the invention please also refer to Fig. 2, Fig. 2.Such as Fig. 2 institute
Show, the online request downloading process of the video file is divided into 4 stages, i.e. the first download phase, the second download phase, third
Download phase and the 4th download phase.
Wherein, in the first download phase, since the head file of video file can only be obtained from the CDN node,
Moreover, more stable by CDN node downloading, rate is very fast, therefore, when just starting to play the video file, is
Ensure the player timely and smooth broadcasting video file, needs to save in first download phase using the CDN
Point is downloaded.Wherein, the corresponding downloading section of first download phase can be set to the time difference and be less than or equal to
First time threshold (such as 2 seconds).
Wherein, described in order to reduce due to having there is certain video data to provide broadcasting in the second download phase
The bandwidth cost of CDN node can use the CDN node and user node mixing downloading in the second download phase；Its
In, the corresponding downloading section of second download phase can be set to the time difference greater than first time threshold (such as 2
Second), and the time difference is less than or equal to second time threshold (such as 5 seconds).
Wherein, in third download phase, so fast speed of download is not needed, in order to further reduce the CDN
The bandwidth cost of node can be downloaded in third download phase using the user node；Wherein, the third download phase pair
The downloading section answered can be set to the time difference greater than second time threshold (such as 5 seconds), and the time difference be less than or
Equal to third time threshold (such as 60 seconds).
Wherein, in the 4th download phase, broadcasting is provided due to having sufficient data, to avoid being cached more videos
Data cause stored memory excessive, can stop downloading in the 4th download phase, wherein under the 4th download phase is corresponding
Carrying section can be set to the time difference greater than third time threshold (such as 60 seconds).
Later, in a manner mentioned above, time point to be downloaded and the time difference of play time become smaller, further according to the time
Difference is determined the section of download time belonging to current downloading process, and is downloaded using corresponding downloading mode, until the video
Until the video data of file has all been downloaded.
The download module 301 is also used for the video data that the downloading mode downloads the video file；Its
In, the downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, described
User node downloading.
Specifically, second determining module 304 is according to the time difference, under determining that the video file currently needs
Load mode includes:
If the time difference is less than or equal to first time threshold, the downloading mode that presently described video file needs is determined
For CDN node downloading；
The download module 301 includes using the video data that the downloading mode downloads the video file:
The video data of the video file is downloaded using the CDN node.
Specifically, second determining module 304 is according to the time difference, under determining that the video file currently needs
Load mode includes:
If the time difference is greater than first time threshold, and the time difference is less than or equal to second time threshold, determines
The downloading mode that presently described video file needs is the CDN node and user node mixing downloading；
The download module 301 includes using the video data that the downloading mode downloads the video file:
The video data of the video file is downloaded using the CDN node and user node mixing.
Specifically, second determining module 304 is according to the time difference, under determining that the video file currently needs
Load mode includes:
If the time difference is greater than second time threshold, and the time difference is less than or equal to third time threshold, determines
The downloading mode that presently described video file needs is user node downloading；
The download module 301 includes using the video data that the downloading mode downloads the video file:
The video data of the video file is downloaded using the user node.
Optionally, the video file download apparatus further include:
Stopping modular stops the video for downloading the video file if being greater than third time threshold for the time difference
Data.
Optionally, first determining module 302 determines the download time of the video file according to the head file
It puts and includes:
Obtain the file offset address of the video file；
The corresponding relationship of file offset address and download time point is obtained from the head file；
According to the corresponding relationship, determine under the corresponding video file of the file offset address of the video file
Carry time point.
Wherein, the video file is order video file or to download video files.
It, can the first foradownloaded video from content distributing network CDN node in the video file download apparatus described in Fig. 3
The head file of file determines the download time point of the video file according to the head file；Further, institute is calculated
State the time difference of the play time of download time point and the video file；Further, can according to the time difference,
It determines the downloading mode that the video file currently needs, and downloads the video counts of the video file using the downloading mode
According to；Wherein, the downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or,
The user node downloading.As it can be seen that the broadcasting of calculating the download time point and the video file can be passed through in the present invention
The time difference at time point selects different downloading modes according to the different time differences, and then use in entire downloading process
Appropriate downloading mode carrys out the video data of to download video files, so as under the premise of each bit-rate video smooth playing,
Reduce the bandwidth cost of CDN node.
Fig. 4 is referred to, Fig. 4 is the structure of the electronic equipment for the preferred embodiment that the present invention realizes video file method for down loading
Schematic diagram.The electronic equipment 4 includes memory 41, at least one processor 42, is stored in the memory 41 and can be
The computer program 43 and at least one communication bus 44 run at least one described processor 42.
It will be understood by those skilled in the art that schematic diagram shown in Fig. 4 is only the example of the electronic equipment 4, not
The restriction to the electronic equipment 4 is constituted, may include components more more or fewer than diagram, or combine certain components, or
The different component of person, such as the electronic equipment 4 can also include input-output equipment, network access equipment etc..
The electronic equipment 4 further include but be not limited to any one can be with user by keyboard, mouse, remote controler, touch
The modes such as plate or voice-operated device carry out the electronic product of human-computer interaction, for example, personal computer, tablet computer, smart phone, a
Personal digital assistant (Personal Digital Assistant, PDA), game machine, Interactive Internet TV (Internet
Protocol Television, IPTV), intellectual wearable device etc..Network locating for the electronic equipment 4 includes but not
It is limited to internet, wide area network, Metropolitan Area Network (MAN), local area network, Virtual Private Network (Virtual Private Network, VPN) etc..
At least one described processor 42 can be central processing unit (Central Processing Unit, CPU),
It can also be other general processors, digital signal processor (Digital Signal Processor, DSP), dedicated integrated
Circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..The processor 42 can be microprocessor or the processor 42 is also possible to any conventional processor
Deng the processor 42 is the control centre of the electronic equipment 4, utilizes various interfaces and the entire electronic equipment 4 of connection
Various pieces.
The memory 41 can be used for storing the computer program 43 and/or module/unit, and the processor 42 passes through
Operation executes the computer program and/or module/unit being stored in the memory 41, and calls and be stored in memory
Data in 41 realize the various functions of the electronic equipment 4.The memory 41 can mainly include storing program area and storage
Data field, wherein storing program area can application program needed for storage program area, at least one function (for example sound plays
Function, image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as sound according to electronic equipment 4
Frequency evidence, phone directory etc.) etc..In addition, memory 41 may include high-speed random access memory, it can also include non-volatile
Memory, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital
(Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other
Volatile solid-state part.
In conjunction with Fig. 1, the memory 41 in the electronic equipment 4 stores multiple instruction to realize under a kind of video file
The multiple instruction can be performed to realize in support method, the processor 42:
The head file of to download video files from content distributing network CDN node；
According to the head file, the download time point of the video file is determined；
Calculate the time difference of the play time of the download time point and the video file；
According to the time difference, the downloading mode that the video file currently needs is determined；
The video data of the video file is downloaded using the downloading mode；Wherein, the downloading mode includes: described
CDN node downloading, or, the CDN node and user node mixing downloading, or, the user node is downloaded.
It is described according to the time difference in a kind of optional embodiment, determine what the video file currently needed
Downloading mode includes:
If the time difference is less than or equal to first time threshold, the downloading mode that presently described video file needs is determined
For CDN node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node.
It is described according to the time difference in a kind of optional embodiment, determine what the video file currently needed
Downloading mode includes:
If the time difference is greater than first time threshold, and the time difference is less than or equal to second time threshold, determines
The downloading mode that presently described video file needs is the CDN node and user node mixing downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node and user node mixing.
It is described according to the time difference in a kind of optional embodiment, determine what the video file currently needed
Downloading mode includes:
If the time difference is greater than second time threshold, and the time difference is less than or equal to third time threshold, determines
The downloading mode that presently described video file needs is user node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the user node.
In a kind of optional embodiment, the method also includes:
If the time difference is greater than third time threshold, stop the video data for downloading the video file.
It is described according to the head file in a kind of optional embodiment, when determining the downloading of the video file
Between point include:
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file；
Obtain file destination offset address corresponding to the current download location of the video file；
According to the corresponding relationship, the corresponding object time point of the file destination offset address is determined as the video
The download time point of file.
In a kind of optional embodiment, the video file is order video file or to download video files.
Specifically, the processor 42 can refer to the concrete methods of realizing of above-metioned instruction related in Fig. 1 corresponding embodiment
The description of step, this will not be repeated here.
It, can the first to download video files from content distributing network CDN node in the electronic equipment 4 described in Fig. 4
Head file determines the download time point of the video file according to the head file；Further, the downloading is calculated
The time difference of the play time of time point and the video file；Further, institute can be determined according to the time difference
The downloading mode that video file currently needs is stated, and downloads the video data of the video file using the downloading mode；Its
In, the downloading mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, described
User node downloading.As it can be seen that the play time of calculating the download time point and the video file can be passed through in the present invention
The time difference of point selects different downloading modes according to the different time differences, and then using appropriate in entire downloading process
Downloading mode carry out the video data of to download video files, so as to reduce under the premise of each bit-rate video smooth playing
The bandwidth cost of CDN node.
If the integrated module/unit of the electronic equipment 4 is realized in the form of SFU software functional unit and as independent
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention is real
All or part of the process in existing above-described embodiment method, can also instruct relevant hardware come complete by computer program
At the computer program can be stored in a computer readable storage medium, which is being executed by processor
When, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, described
Computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The meter
Calculation machine readable medium may include: can carry the computer program code any entity or device, recording medium, USB flash disk,
Mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module
It divides, only a kind of logical function partition, there may be another division manner in actual implementation.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds software function module.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any attached associated diagram label in claim should not be considered as right involved in limitation to want
It asks.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for plural number.It is stated in system claims
Multiple units or device can also be implemented through software or hardware by a unit or device.Second equal words are used to table
Show title, and does not indicate any particular order.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of video file method for down loading, which is characterized in that the described method includes:
The head file of to download video files from content distributing network CDN node；
According to the head file, the download time point of the video file is determined；
Calculate the time difference of the play time of the download time point and the video file；
According to the time difference, the downloading mode that the video file currently needs is determined；
The video data of the video file is downloaded using the downloading mode；Wherein, the downloading mode includes: the CDN
Node downloading, or, the CDN node and user node mixing downloading, or, the user node is downloaded.
2. video file method for down loading according to claim 1, which is characterized in that it is described according to the time difference, it determines
The downloading mode that the video file currently needs includes:
If the time difference is less than or equal to first time threshold, the downloading mode for determining that presently described video file needs is institute
State CDN node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node.
3. video file method for down loading according to claim 1, which is characterized in that it is described according to the time difference, it determines
The downloading mode that the video file currently needs includes:
If the time difference is greater than first time threshold, and the time difference is less than or equal to second time threshold, determines current
The downloading mode that the video file needs is the CDN node and user node mixing downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the CDN node and user node mixing.
4. video file method for down loading according to claim 1, which is characterized in that it is described according to the time difference, it determines
The downloading mode that the video file currently needs includes:
If the time difference is greater than second time threshold, and the time difference is less than or equal to third time threshold, determines current
The downloading mode that the video file needs is user node downloading；
The video data for downloading the video file using the downloading mode includes:
The video data of the video file is downloaded using the user node.
5. video file method for down loading according to any one of claim 1 to 4, which is characterized in that the method is also wrapped
It includes:
If the time difference is greater than third time threshold, stop the video data for downloading the video file.
6. video file method for down loading according to any one of claim 1 to 4, which is characterized in that described according to
Head file determines that the download time point of the video file includes:
The file offset address of the video file and the corresponding relationship at time point are obtained from the head file；
Obtain file destination offset address corresponding to the current download location of the video file；
According to the corresponding relationship, the corresponding object time point of the file destination offset address is determined as the video file
Download time point.
7. video file method for down loading according to any one of claim 1 to 4, which is characterized in that the video file
For order video file or to download video files.
8. a kind of video file download apparatus, which is characterized in that the video file download apparatus includes:
Download module, the head file for the to download video files from content distributing network CDN node；
First determining module, for determining the download time point of the video file according to the head file；
Computing module, the time difference of the play time for calculating the download time point and the video file；
Second determining module, for determining the downloading mode that the video file currently needs according to the time difference；
The download module is also used for the video data that the downloading mode downloads the video file；Wherein, under described
Load mode includes: the CDN node downloading, or, the CDN node and user node mixing downloading, or, under the user node
It carries.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes processor and memory, and the processor is for holding
The computer program stored in line storage is to realize video file downloading side as claimed in any of claims 1 to 7 in one of claims
Method.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has at least one
Instruction, at least one described instruction realize video file as claimed in any of claims 1 to 7 in one of claims when being executed by processor
Method for down loading.
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| CN201811125796.8A CN109218430A (en) | 2018-09-26 | 2018-09-26 | A kind of video file transfer method, system and electronic equipment and storage medium |
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| CN109218430A (en) | 2019-01-15 |
| CN110099134B (en) | 2022-04-01 |
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